Drug Abuse and the Nervous System

Front

What is a synapse?

Back

A synapse is the "gap" between the axon of one nerve and the dendrite of the next one.

Front

Which of the following describes a neurotransmitter?

Back

A neurotransmitter is a chemical released at the end of an axon and causes the transfer of an impulse or information.

Front

Best definition of drug addiction?

Back

Drug addiction is a mental and / or physical dependency on a drug.

Front

Approximately how much does drug abuse and addiction cost the U.S. annually in health care and crime related costs?

Back

600 billion dollars annually

Front

Which of the following statements best describes drug tolerance?

Back

The brain compensates for drug use by reducing the number of receptors at the synapse, and also increasing the number of neurotransmitter transporters. This makes the brain less responsive to the drug and to natural rewards.

Front

What type of drug is alcohol?

Back

Depressant

Front

What type of drug is nicotine? Options: Stimulant, Depressant, Hallucinogen, Stimulant and depressant, Opioid

Back

Stimulant and depressant

Front

What type of drug is codeine?

Back

Opioid

Front

Which neurotransmitter is affected by marijuana?

Back

Dopamine

Front

Which neurotransmitter is affected by cocaine?

Back

Dopamine